Description: This book, which presupposes familiarity only with the most elementary concepts
of arithmetic (divisibility properties, greatest common divisor, etc.), is an expanded version
of a series of lectures for graduate students on elementary number theory.
Topics include: Compositions and Partitions; Arithmetic Functions; Distribution of Primes;
Irrational Numbers; Congruences; Diophantine Equations; Combinatorial Number Theory; and
Geometry of Numbers. Three sections of problems (which include exercises as well as unsolved problems) complete the text.

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Audience:
This book is appropriate for a second undergraduate course in Number Theory, or as an introduction to the subject
for beginning graduate students.

Publishing Information: An Introduction to the Theory of Numbers, by Leo
Moser, ISBN 978-1-931705-01-1, published by The Trillia Group, 2004.
87+vi pages, 231 problems, 6 figures, hypertextual cross-references.
Download size: 463 to 478 KB, depending on format. Current version released July 31, 2011.

Terms and Conditions: This text is distributed under a Creative Commons Attribution 4.0 International (CC BY 4.0) license. Use and distribution of this text is allowed as long as the copyright notice and attribution statement are maintained with the book. (This is a paraphrase of part of the license, see the complete license terms in case of any questions.)

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Errata: There is a list of errata that records changes made to the text
since the version of March 1, 2004. The latest version of the book is
always available at the links above.